Part #: 856

TYC 856 Radiator - Primary

TYC Radiator, Primary
⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Radiator, Primary
🚗Fitment: Buick, Cadillac, Oldsmobile, and Pontiac, 88, 98, Bonneville, DeVille, Eldorado, Fleetwood, LeSabre, Park Avenue, and Seville
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Overview of TYC Radiator Part Number 856

The TYC Radiator 856 is engineered to provide reliable cooling performance for select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed with durable aluminum core material, this radiator supports efficient heat dissipation and includes integrated oil coolers for both engine and transmission systems.

  • Core material constructed from aluminum for enhanced heat transfer
  • Includes concentric transmission oil cooler and plate engine oil cooler
  • Crossflow flow configuration for optimized coolant circulation
  • Core dimensions: 17.24 inches height, 30.51 inches length, 1.26 inches thickness
  • Hose clamp inlet and outlet connections with 1.30 inch and 1.57 inch diameters respectively
  • Designed with 64 fins per 4 inches and a total of 44 fin rows for effective cooling
  • Compatible with multiple GM models including Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville

TYC Radiator Product Line Details

The TYC Radiator product line focuses on delivering quality cooling components that meet or exceed OEM specifications. This line emphasizes durable aluminum cores combined with integrated oil coolers to support both engine and transmission cooling needs. The TYC Radiator 856 exemplifies this approach by incorporating a concentric transmission oil cooler and a plate-type engine oil cooler within a single unit, ensuring comprehensive thermal management for your vehicle.

Technical Specifications and Features

This radiator features a single-row core with a crossflow design, measuring 17.24 inches in height, 30.51 inches in length, and 1.26 inches in thickness. The core includes 43 tubes and 64 fins per 4 inches, arranged in 44 fin rows to maximize heat dissipation. Both the top and bottom headers measure 2.43 by 18.73 inches. The inlet and outlet connections use hose clamps with diameters of 1.30 inches and 1.57 inches respectively, facilitating secure coolant flow. Additionally, the radiator includes adapters for the transmission oil cooler inlet and outlet, both sized at 1/2-20 UNF.

Compatible Vehicles and Applications

  • Buick models including LeSabre and Park Avenue
  • Cadillac models such as DeVille, Eldorado, Fleetwood, and Seville
  • Oldsmobile 88 and 98 series
  • Pontiac Bonneville

This radiator is designed to replace original equipment in these vehicles, providing effective cooling for both engine and transmission oil systems.

Common Issues Addressed by This Radiator

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating caused by faulty or missing oil cooler
  • Engine oil temperature regulation failures
  • Leaks or corrosion in original radiator components
  • Reduced cooling efficiency from worn or damaged fins and tubes

Installation Notes and Tips

Installation requires proper handling of hose clamp connections for both inlet and outlet ports. Ensure that the transmission oil cooler adapters are securely fitted to prevent leaks. Verify compatibility with your specific Buick, Cadillac, Oldsmobile, or Pontiac model before installation. It is recommended to inspect and replace coolant and transmission fluid as part of the installation process to maintain optimal system performance.

Quality Assurance and Warranty

The TYC Radiator 856 is manufactured to meet industry standards for durability and performance. Constructed with an aluminum core and integrated oil coolers, it is designed for long service life. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and application.

BrandTYC
Part Number856
PositionTYC Radiator, Primary
Core MaterialAluminum
Transmission Oil Cooler IncludedYes
Transmission Oil Cooler TypeConcentric oil cooler
Engine Oil Cooler TypePlate oil cooler
Engine Oil Cooler IncludedYes
Bottom Header2.43x18.73
Core Height (in)17.24
Core Length (in)30.51
Core Thickness (in)1.26
Eoc Distance (in)11.50
Fin Count (every 4")64
Fin Wave Height (in)0.31
Find Wave Pitch3.2
Flow ConfigurationCrossflow
Inlet Connection TypeHose clamp
Inlet Diameter (in)1.30
No. Of Rows1
Outlet Connection TypeHose clamp
Outlet Diameter (in)1.57
Toc Distance (in)11.50
Toc Inlet Diameter (in)1/2-20unf
Toc Inlet TypeAdapter
Toc Outlet Diameter (in)1/2-20unf
Toc Outlet TypeAdapter
Top Header2.43x18.73
Total Fin Row Count44
Total Tube Count43
Tube Count (every 4")10
Tube Width X Height32x2

This part fits 48 vehicles. Search below:

YearMakeModelSubmodelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
1995CadillacDeVilleBaseSedan4.9LV8PrimaryTYC Radiator
1994BuickPark AvenueUltraSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1994CadillacDeVilleBaseSedan4.9LV8PrimaryTYC Radiator
1994Oldsmobile88Royale LSSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1994PontiacBonnevilleSESedan3.8LV6Primaryw/ Towing Pkg; TYC Radiator
1993BuickLeSabreCustomSedan3.8LV6Primaryw/ Towing Pkg; TYC Radiator
1993BuickPark AvenueBaseSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1993CadillacDeVilleBaseCoupe4.9LV8PrimaryTYC Radiator
1993CadillacEldoradoBaseCoupe4.9LV8PrimaryTYC Radiator
1993CadillacSevilleBaseSedan4.9LV8PrimaryTYC Radiator
1993Oldsmobile88Royale LSSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1993Oldsmobile98RegencySedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1993PontiacBonnevilleSESedan3.8LV6Primaryw/ Towing Pkg; TYC Radiator
1992BuickLeSabreCustomSedan3.8LV6Primaryw/ Towing Pkg; TYC Radiator
1992BuickPark AvenueBaseSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1992CadillacDeVilleBaseSedan4.9LV8PrimaryTYC Radiator
1992CadillacEldoradoTouringCoupe4.9LV8PrimaryTYC Radiator
1992CadillacFleetwood60 SpecialSedanFWD4.9LV8PrimaryTYC Radiator
1992CadillacSevilleBaseSedan4.9LV8PrimaryTYC Radiator
1992Oldsmobile88Royale LSSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1992Oldsmobile98RegencySedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1992PontiacBonnevilleSESedan3.8LV6Primaryw/ Towing Pkg; TYC Radiator
1991BuickPark AvenueUltraSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1991CadillacDeVilleSpring EditionCoupe4.9LV8PrimaryTYC Radiator
1991CadillacEldoradoTouringCoupe4.9LV8PrimaryTYC Radiator
1991CadillacFleetwoodd'EleganceSedanFWD4.9LV8PrimaryTYC Radiator
1991CadillacSevilleBaseSedan4.9LV8PrimaryTYC Radiator
1991Oldsmobile98Regency EliteSedan3.8LV6Primaryw/o Level Indicator; TYC Radiator
1990CadillacDeVille4.5LV8N/Aw/ EOC; w/ TOC; TYC Radiator
1990CadillacFleetwoodd'EleganceCoupeFWD4.5LV8PrimaryTYC Radiator
1989CadillacDeVille4.5LV8N/Aw/ EOC; w/ TOC; TYC Radiator
1989CadillacEldoradoBiarritzCoupe4.5LV8PrimaryTYC Radiator
1989CadillacFleetwoodBrougham Commercial ChassisStripped ChassisFWD4.5LV8PrimaryTYC Radiator
1989CadillacSevilleSTSSedan4.5LV8PrimaryTYC Radiator
1988CadillacDeVille4.5LV8N/Aw/ EOC; w/ TOC; TYC Radiator
1988CadillacEldoradoBaseCoupe4.5LV8PrimaryTYC Radiator
1988CadillacFleetwoodBrougham Commercial ChassisStripped ChassisFWD4.5LV8GASPrimaryTYC Radiator
1988CadillacSevilleSTSSedan4.5LV8PrimaryTYC Radiator
1987CadillacDeVilleBaseSedan4.1LV8GASPrimaryTYC Radiator
1987CadillacEldoradoBaseCoupe4.1LV8PrimaryTYC Radiator
1987CadillacFleetwoodBrougham Commercial ChassisStripped ChassisFWD4.1LV8GASPrimaryTYC Radiator
1987CadillacSevilleBaseSedan4.1LV8PrimaryTYC Radiator
1986CadillacDeVilleTouringCoupe4.1LV8GASPrimaryTYC Radiator
1986CadillacEldoradoBaseCoupe4.1LV8PrimaryTYC Radiator
1986CadillacFleetwood75LimousineFWD4.1LV8GASPrimaryTYC Radiator
1986CadillacSevilleBaseSedan4.1LV8PrimaryTYC Radiator
1985CadillacDeVilleBaseCoupe4.1LV8GASPrimaryTYC Radiator
1985CadillacFleetwoodBaseSedanFWD4.1LV8GASPrimaryTYC Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8010856

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.